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难降解

网络Refractory; persistent; low bio-degradability

难降解

网络释义

难降解

Refractory

将这句话译为英语：_百度知道 ... 前景 Prospects 难降解 Refractory 生物处理 Biological treatment ...

persistent

整理了一些词组，考catti2笔时背了一遍，觉得... ... industrial fumes (工业烟尘) persistent 难降解 mass bum (大规模混合焚烧) ...

low bio-degradability

高浓... ... ) highly degraded 高度降解 ) low bio-degradability 难降解 ) high-strength and non-degradability 高浓度难降解 ...

例句：

Chlorinated aromatic hydrocarbons and their derivatives are the persistent organic compounds, which are toxic or not easy to degrade .

氯代芳烃及其衍生物是一类毒性强、难降解的持久性有机化合物。

Consequently , remediation of sediments contaminated by refractory organic pollutants is one of the urgent environmental issues at present .

因此，对底质中难降解有机物的修复是目前所迫切需要解决的环境问题之一。

Polycyclic aromatic hydrocarbons (PAHs) are known as toxic, mutagenic, carcinogenic and persistence organic contaminants in the environment .

多环芳烃是一类普遍存在于环境中的难降解的危险性 “三致 ”有机污染物。

Coking wastewater is a typical hard-biodegradable and high strength industrial organic wastewater with a considerable discharge amount.

焦化废水是典型的高浓度、高污染、有毒难降解工业有机废水。

Spent caustic liquor which produced by the petrolic and chemical corporation was a type of high-concentration refractory wastewater .

石化企业产生的废碱液是一种高浓度难降解的有机废水。

Due to its high toxicity and refractory degradation , phenol-containing wastewater treatment has been prevalently concerned by researchers .

酚类化合物的毒性高、难降解，其处理工艺受到研究者的普遍关注。

The coking wastewater is an organic one with high concentration of NH3-N and organic substance which are difficult to be degenerated.

焦化废水是一种氨氮和有机物浓度较高的、难降解的有机废水。

The question is , how is some of this converted into refractory compounds ?

问题是，这些水溶有机物是怎么转变成难降解混合物的呢？

The refractory chemical wastewater accounts for about 52% in the urban wastewater of Jiaojiang City , and is more difficult to be treated .

椒江的城市污水中高浓度难降解化工废水约占 52%，处理难度较大。

Chlorinated organic wastewater is harmful and resistant to degradation , which imperils human being's health and environment seriously .

氯代有机物是一类重要的难降解性有机化合物，对人类的健康和环境具有极大的危害性。

Cometabolism with microorganism is an effective method to deal with the refractory organics in terms of economy and technology .

微生物共代谢是处理难降解性有机物的有效途径，并具有技术经济优势。

Chemical catalytic oxidation is fit for the processing of high strength, persistent organic pollutants.

化学催化氧化法适合于化工厂处理高浓度、难降解的有机废水。

Polyvinyl alcohol (PVA ) is one of the hard-degradable polymer, which is widely used in such as chemical industry and textile industry .

聚乙烯醇（PVA ）是一种在纺织和化工行业中广泛使用的难降解的高分子聚合物。

Instead , Dr Jiao thinks refractory compounds are made and released by these bugs mainly in response to viral infections .

而焦博士认为 AAPB 是在受到病毒感染时才产生、排放这种难降解混合物。

The coked waste water is one kind of the organic waste water which has high dense ammonia nitrogen and the organic matter .

焦化废水是一种氨氮和有机物浓度较高的难降解有机废水。

Plastic bag hardly decomposes, therefore , it may pollute the environment, and even kills animals .

塑料袋难降解，因此，会污染环境，甚至害死动物。

Phenol with higher toxic and recalcitrant to degradation is widely present in industrial waste water .

苯酚广泛存在于工业废水中，它有毒并且难降解。

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